syrian rebels. the divide turned violent in august, when gun battles broke out in the northern city of tripoli. tensions have also been fueled by a flood of syrian refugees into lebanon. in washington today, state department spokeswoman victoria nuland stopped short of blaming syria for today's attack, but she said lebanon is at risk of being destabilized again. >> we have been, for a number of weeks and, in fact, months now, that we've been concerned about increasing tensions inside of lebanon, particularly sectarian tensions and tensions as a result of spillover from syria. but i don't want to pre-judge before the lebanese authorities have had a chance to declare themselves who was responsible here. >> brown: there was no such reluctance back in lebanon, where sunnis burned tires in protest in cities across the country as news of the bombing spread. a short time ago, i spoke with abigail fielding smith of the "financial times" from beirut. abigail, welcome. tell us a bit more about the presumed target here, a top intelligence official. how has he stirred up enemies? >> well, he wa
